Revert "[Driver] Add toolchain for X86_64 UEFI target" (#109340)

Reverts llvm/llvm-project#76838

Appears to be causing failures in MAC builders. First reverting the
patch and will investigate after.

1 files changed, 0 insertions, 21 deletions

diff --git a/clang/unittests/Driver/ToolChainTest.cpp b/clang/unittests/Driver/ToolChainTest.cpp
index 672742c..6c8b32d 100644
--- a/clang/unittests/Driver/ToolChainTest.cpp
+++ b/clang/unittests/Driver/ToolChainTest.cpp
@@ -14,7 +14,6 @@
 #include "clang/Basic/DiagnosticIDs.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Basic/LLVM.h"
-#include "clang/Basic/TargetInfo.h"
 #include "clang/Basic/TargetOptions.h"
 #include "clang/Driver/Compilation.h"
 #include "clang/Driver/Driver.h"
@@ -575,26 +574,6 @@ TEST(CompilerInvocation, SplitSwarfSingleCrash) {
   EXPECT_TRUE(CI); // no-crash
 }
 
-TEST(ToolChainTest, UEFICallingConventionTest) {
-  clang::CompilerInstance compiler;
-  compiler.createDiagnostics();
-
-  std::string TrStr = "x86_64-unknown-uefi";
-  llvm::Triple Tr(TrStr);
-  Tr.setOS(llvm::Triple::OSType::UEFI);
-  Tr.setVendor(llvm::Triple::VendorType::UnknownVendor);
-  Tr.setEnvironment(llvm::Triple::EnvironmentType::UnknownEnvironment);
-  Tr.setArch(llvm::Triple::ArchType::x86_64);
-
-  compiler.getTargetOpts().Triple = Tr.getTriple();
-  compiler.setTarget(clang::TargetInfo::CreateTargetInfo(
-      compiler.getDiagnostics(),
-      std::make_shared<clang::TargetOptions>(compiler.getTargetOpts())));
-
-  EXPECT_EQ(compiler.getTarget().getCallingConvKind(true),
-            TargetInfo::CallingConvKind::CCK_MicrosoftWin64);
-}
-
 TEST(GetDriverMode, PrefersLastDriverMode) {
   static constexpr const char *Args[] = {"clang-cl", "--driver-mode=foo",
                                          "--driver-mode=bar", "foo.cpp"};